Patent · US Active

Battery

US7972717B2 · kind B2 · utility

1Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 5, 2007
Grant dateJul 5, 2011
Priority date
Expiry dateNov 2, 2029

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A battery with improved safety which can establish a short circuit between electrodes more reliably when the battery is crushed by an external force is provided. A battery includes a battery element including a cathode and an anode, a battery can containing the battery element, and a conductive short circuit member arranged in a gap between the battery element and the battery can, the short circuit member capable of biting into the battery element when the battery can is deformed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.